Clothes and hairstyles
The head teacher's dress and hairstyle required neatness, which was roughly in line with the local popular dress habits at that time.
Develop one's advantages
The head teacher should stick to his own strengths, and the purpose of learning is to develop, not to restrain his own strengths. The advantages of a class teacher are discussed with students, which is an advanced educational concept.
Discuss with students more.
The head teacher should discuss with the students more, give full play to the students' main role, and let them gain respect and develop their potential. The head teacher should pay attention to communication with students and gain their understanding and trust.